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Microphone Preamps
( 80 Microphone Preamps sorted by Price High to Low.)
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Art Pro MPA with Rev6 Mod
# 71596
Had 10dB higher gain preamp. Full audio pro rev 6 modification. Has T. H. E. Tube harmonic equalizer circuit. Updated mic pre with RFI suppression. Updated tube plate volts. Updated low frequency EQ predominance. Phase corrected filter. (No loss of extreme deep bass) Has complete mod of tube vactrol auto compression and EQ at 0 dB. SN 4930. Has box. Condition #9
$ 888
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Bellari RP533
# 60665
Modified with transformer, Automatic EQ compressor. This design allows deep bass and impulse response to be enhanced and less high frequency attenuation and clarity enhancement circuit. Unit has a ground modification and capacitor update for 6db noise floor improvement. This version has a 4560 op amp upgrade for line out balanced out. Mic pre amp RFI suppression capacitor. Modified with first stage tube harmonic bias control (right control) Cleaned switch with silver paste. #9 condition
$ 800
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ART Pro Channel
# 48537
Tube mic preamp/compressor/equalizer. AUDIO PRO MODIFIED: Tube Harmonic T. H. E. Bias control transformer in Vactrol EQ Mod. Highly recommended, Super noise spec machine! QC, Test All. #10 new in box
$ 568
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Art Pro Channel
# 54689
Modified vactrol variable transformer dynamic EQ, and variable tube bias mod. Professional tube microphone pre-amplifier. Tube/optical compressor. +48V phantom power supply. With true "tube gain cell" compressor. B stock. See more details about the mod here, https://www. Audioproz. Com/AP. Php?Article=19&Tab=Modifications
$ 548
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Bellari RP533
# 50898
Studio tube compressor/limiter preamp. AudioPro modifications to optimize tube gain and noise, power supply updates, phase switch pad and hi gain switch added on front panel. Excellent #9 condition.
$ 520
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RE: Vintage Mics: At this age point I am finding that most vintage mics being traded are far off spec and with their prices so greatly inflated and volatile to the market, I do not actively pursue these. That being said; any vintage mics that I do have are fully tested and guaranteed.
Bellari RP520
# 30179
Tube Mic Pre, Gold Face, VU meters
$ 430
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ART Pro Channel II
# 56014
Class A mic preamp. Tube Preamp, compressor, eq. Super spec unit. Special upgrade. Updated power supply to run any type tube, new, old etc. Unit can run on 90 VAC line current. Special bypass capacitors on power supply. New in box, QC - low noise spec.
$ 388
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ART Digital MPA II
# 54241
Two Channel Tube Mic Preamp with digital outs. XLR I/O, 1/4 inch output. AES/EBU, SPDIF, ADAT, Optical outputs. Word Clock in/thru. Sample rate control. MS Matrix. Variable input impedence. Minor rack rash.
$ 360
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Tascam MX80 8 channel Mic Preamp
# 63831
Can use a special add on 48 volt supply, not included with this unit. Some knobs are color blue. Rental Unit excellent serious low noise class A preamp design. #8 condition.
$ 360
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ART Digital MPA II
# 54242
Two Channel Tube Mic Preamp with digital outs. XLR I/O, 1/4 inch output. AES/EBU, SPDIF, ADAT, Optical outputs. Word Clock in/thru. Sample rate control. MS Matrix. Variable input impedence. Minor rack rash.
$ 360
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Art Pro Channel Model 215
# 71285
Like new. All QC checked by Audio Pro. Low noise tubes. In box with manual. #9 condition.
$ 348
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Art Pro Channel II
# 59878
Single channel mic pre EQ compressor. SN:S150861225. New
$ 348
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ART PRO MPA II
# 57640
Two channel Mic/HiZ. M/S Matrix. Variable input Impedance. Variable plate voltage. QC- Lubed, Burn-in, switches exercised. #10 Condition (New).
$ 328
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ART MPA gold mic pre
# 39767
Sw: MO70103917. Sale
$ 300
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ART TPS 2
# 73027
2 Channel Tube Voicing. Mic preamp with 48V Phantom. XLR & 1/4 In's & Outs. Call for best Pricing. Condition 10
$ 289
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Read about some of the modifications we do to mic pre's
ART Pro Channel Modification
ART Pro MPA Mic Preamp Modification
ART Pro MPA II Modification
ART TPS II Modification
ART TPS 2
# 73026
2 Channel Tube Voicing. Mic preamp with 48V Phantom. XLR & 1/4 In's & Outs. Condition 10
$ 289
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ART Pro MPAII
# 49288
Two channel tube mic preamplifier. New. Highly recommended product!
$ 288
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ART Dual MP Model 254
# 33159
Two channel tube mic preamp - basic tube mic preamp, 48v phantom, in/out level led meter, 1 rackspace
$ 240
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ART TUBE MP/C
# 73585
Single Channel Tube Mic Pre. XLR or 1/4 inputs. 48u Phantom Supply. Phase Reverse Switch. Built-in Compressor. Condition #10
$ 208
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Presonus Blue Tube Mic Pre
# 40931
2 channel tube preamp. XLR, 1/4 inch in/out. New in Box.
$ 200
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Aphex 107 Tubessence
# 53824
2 channels, tube gain stage preamp design. Like new unit, has better high-quality power supply. Minor scuff on top. In rack. Condition: 9
$ 188
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Aphex 107 tubessence
# 53204
2 mic in. 20db pad, gain control 80Hz low cut filter, polarity, phantom. With power supply. 9+ condition. Very low use time. Cleaned controls and switches. One rack scratch.
$ 188
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ART Tube MP/C
# 61024
Professional tube preamp/opto compressor - limiter/DI, hand-selected 12AX7a tube, +48V phantom power, #10 new in box
$ 176
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ART Tube MP/C
# 61025
Professional tube preamp/opto compressor - limiter/DI, hand-selected 12AX7a tube, +48V phantom power, #10 new in box
$ 176
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ART Tube MP/C
# 58385
Tube Preamp, opto-compressor limiter DI. Well done small box pre. Used demo. Original paperwork lost. Condition 9.
$ 176
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ART SCC
# 60036
Studio control center. Project series. 10 condition. New.
$ 148
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ART Model 255
# 43857
Tube Pre-amp system-has high quality super spec 12ax7 tubes (. 25 to . 5% 2nd Harmonic). 2 channels with balanced or unbalanced outputs. Input for mic and instrument. Very quiet unit even with use of guitar. Later model not as well voiced for guitar overdrives. Modifications are available - Please call. Low use unit # 8 condition. (Tube Test Demo unit)
$ 128
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ART Tube MP Project Series USB
# 46106
Professional mic and instrument tube preamplifier with USB connectivity. New stock.
$ 118
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Bellari MP110 Tube Mic Preamp
# 56095
20dB pad/phantom pwr/phase reverse switches. Gain/Volume controls. XLR, 1/4 inch in/outs. Has premium Phillips 12AX7WA tube. Brushed aluminum face, small footprint with original power supply. Scratches on bottom of unit, minor nicks on top. Condition #9
$ 110
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Art Tube MP
# 61000
Built in 12AX7A tube, XLR and ΒΌ" inputs and outputs, single channel, includes 9V AC power supply, new in box, #10
$ 110
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